A mass of 2kg crosses x = 0.5m with 4 m/...

A mass of 2kg crosses `x = 0.5m` with `4 m/s`. The force acting on the mass is `F = =kx` where `k = 12 N/m`. What velocity will it cross at `x = 1.5m`.

1 m/s

3 m/s

2 m/s

4 m/s

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